/Engine/Source/Runtime/Engine/Public/HierarchicalStaticMeshSceneProxy.h
void FillDynamicMeshElements ( const [FSceneView](API\Runtime\Engine\FSceneView) * View, [FMeshElementCollector](API\Runtime\Engine\FMeshElementCollector) & Collector, const FFoliageElementParams & ElementParams, const FFoliageRenderInstanceParams & Instances ) const